08-078-20

Flash: Air Suspension Control Module (ASCM) Updates This bulletin involves reprogramming the ASCM with the latest available software. Customers or technicians may experience a Malfunction Indicator Lamp (MIL) illumination after a battery disconnect. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set along with a notification in the instrument panel cluster ?Service Air Suspension? after a battery disconnected and reconnect event.U0422-00 - Implausible Data Received From Body Control Module.